Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Cha-Lee Myung"'
Publikováno v:
Energies, Vol 13, Iss 10, p 2581 (2020)
Although the chassis dynamometer type approval test considers real-world conditions, there are a few limitations to the experimental test environment that may affect gaseous or particulate emissions such as road conditions, traffic, decreasing tire p
Externí odkaz:
https://doaj.org/article/6c1f769eb8414a70a1a0ec86a0ee50f9
Publikováno v:
Energies, Vol 8, Iss 3, Pp 1865-1881 (2015)
In this study, the particle formation and reduction characteristics at the engine-out position, after a three-way catalyst (TWC) and a metal foam gasoline particulate filter (GPF), were evaluated for a gasoline direct-injection (GDI) engine under par
Externí odkaz:
https://doaj.org/article/7a614370807c4559967b380280c9c8e9
Publikováno v:
Journal of Mechanical Science and Technology. 35:1289-1300
In this study, the impact of engine control parameters on combustion behaviors and particle number emissions was investigated with a spark ignition direct injection (SIDI) engine used various gasoline-ethanol blended fuels. The SIDI engine was tested
Publikováno v:
International Journal of Automotive Technology. 21:1139-1147
Worldwide regulations on particulate matter for passenger vehicles have become stricter in recent years, which makes it difficult to satisfy for gasoline direct injection (GDI) vehicles. In this study, the level of reduction efficiency of particle em
Autor:
Cha Lee Myung, Simsoo Park, Woosung Si, Dongyoung Jin, Jeong hwan Kim, Jaeho Cho, Kangjin Kim, Sungha Baek
Publikováno v:
Journal of Mechanical Science and Technology. 34:931-939
This study investigated the impact of engine oil formulation on particulate matter (PM) characteristics from a light-duty diesel engine. The test engine was a 1.6 L Euro-5 diesel engine operated from low- to high-speed and high-load conditions. Speci
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering. 234:897-911
Test flexibilities, such as the tire pressure, adjustment of brakes, vehicle preconditioning, test mass, and running-in period, are multiple factors that can confound vehicle emissions and fuel economy tests. The road load force is the most influenti
Autor:
Cha Lee Myung, Dojeong Ryu, Sungbok Eom, Simsoo Park, Kangjin Kim, Kwang-bum Lee, Charyung Kim, Kihyeon Ryu
Publikováno v:
International Journal of Automotive Technology. 21:123-135
Certified testing of motor vehicle driving resistance, fuel economy and emissions requires that the vehicle has reached the target distance specified for each country through running-in. In general, motor vehicles experience different tire wear and i
Publikováno v:
International Journal of Automotive Technology. 21:451-457
To meet greenhouse gas (GHG) emission target, automotive manufacturers should promote low carbon emission technology, including gasoline direct injection (GDI) systems. However, recent studies have shown that excessive levels of nanoparticles were em
Autor:
Kyoungdoug Min, Seungil Lee, Yongjoo Lee, Joohan Kim, Namho Kim, Cha-Lee Myung, Hoimyung Choi
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Atmospheric Pollution Research. 10:1711-1722
As global warming and fine dust problem became issues, the regulation for relevant exhaust emissions has been strengthened gradually. Thus, a major challenge of automotive engineers is reducing the CO2 and particle emissions at the same time. Especia